Patents by Inventor Michael Kegel
Michael Kegel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10398856Abstract: The invention relates to an access device comprising: a base (1) for aligning the access device with the skin of a patient; a needle for puncturing the skin, the needle comprising a hub (2) and a cannula (10), and the needle being movably mounted in the base (1) such that it can move between a first, fully retracted, and a second, maximally extended, position; and a locking mechanism which engages when the needle retracts from the second position and reaches a discrete third position, inhibiting the needle from further retracting to the first position. According to the invention, the access device is actuatable to disengage the locking mechanism.Type: GrantFiled: November 14, 2013Date of Patent: September 3, 2019Assignee: Hahn-Schickard-Gesellschaft Fuer Angewandte Forschung E.V.Inventors: Markus Clemenz, Thomas Lorenz, Michael Kegel
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Publication number: 20180264206Abstract: An attachment (1, 1a) for or on a device (100) for injecting a fluid into or under the skin (200), which is for example suitable for injecting botulinum toxin into facial muscles of a human patient, comprises: a proximal part (2, 2a) which is couplable or is connected to the device (100) and which bears a cannula (3). A distal part (4, 4a) surrounds the cannula (3) at least in places and is rotationally mobile relative to the proximal part (2, 2a) and vice versa, such that an extent (d3) by which the cannula projects out from the distal part (2, 2a) is modifiable. A discrete number of stopping positions is provided with regard to the rotational movement, which correspond to a different extent by which the cannula (3) projects out from the distal part (2, 2a).Type: ApplicationFiled: May 12, 2016Publication date: September 20, 2018Inventors: Markus CLEMENZ, Michael KEGEL
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Patent number: 9585698Abstract: A polyaxial bone anchoring device includes an anchoring element having a shaft and a head; a receiving part having a channel for receiving a rod therein, a coaxial bore and a seat portion for receiving the head; a pressure element having a head contacting surface portion; wherein the head is pivotable with respect to the receiving part and can be fixed at an angle by exerting pressure via the pressure element onto the head, and wherein the head has an oversize with respect to the head contacting surface portion such that an interference fit is achieved that clamps the head by the friction between the head and the head contacting surface portion. The curved outer surface portion has a largest diameter and the head contacting surface contacts the head at least in a region including the largest diameter.Type: GrantFiled: September 14, 2012Date of Patent: March 7, 2017Assignee: Biedermann Technologies GmbH & Co. KGInventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel
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Publication number: 20160296715Abstract: The invention relates to an access device comprising: a base (1) for aligning the access device with the skin of a patient; a needle for puncturing the skin, the needle comprising a hub (2) and a cannula (10), and the needle being movably mounted in the base (1) such that it can move between a first, fully retracted, and a second, maximally extended, position; and a locking mechanism which engages when the needle retracts from the second position and reaches a discrete third position, inhibiting the needle from further retracting to the first position. According to the invention, the access device is actuatable to disengage the locking mechanism.Type: ApplicationFiled: November 14, 2013Publication date: October 13, 2016Inventors: Markus Clemenz, Thomas Lorenz, Michael Kegel
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Patent number: 9333011Abstract: A polyaxial bone anchoring device includes an anchoring element having a shaft and a head having a curved outer surface portion; a receiving part having a top end and a bottom end, a coaxial bore extending from the top end in the direction of the bottom end, and a seat portion for receiving the head at the bottom end; and a pressure element having a head contacting surface portion that contacts the curved outer surface portion of the head; wherein the head is pivotable with respect to the receiving part and can be fixed at an angle by exerting pressure via the pressure element, and wherein the head has an oversize in the curved outer surface portion with respect to the head contacting surface portion, such that an interference fit is achieved that clamps the head by the friction between the outer surface portion and the head contacting surface portion.Type: GrantFiled: December 27, 2011Date of Patent: May 10, 2016Assignee: Biedermann Technologies GmbH & Co. KGInventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel
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Patent number: 9149308Abstract: A tool is provided for use with a bone anchor, wherein the bone anchor has an anchoring section and a receiving portion for receiving a rod to be connected to the anchoring section and a locking element, the tool comprising a tip portion for engaging the locking element; a mechanism to apply torque to the tip portion comprising a drive shaft and a driven shaft coupled by a gear unit, where the drive shaft has a different axis than the driven shaft, and where the driven shaft comprises an engagement portion configured to connect the driven shaft to the gear unit; and a counter-holding portion for engaging the receiving part, wherein the counter-holding portion is rotatable with respect to the tip portion.Type: GrantFiled: April 6, 2010Date of Patent: October 6, 2015Assignee: Biedermann Technologies GmbH & Co. KGInventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel
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Publication number: 20130066376Abstract: A polyaxial bone anchoring device includes an anchoring element having a shaft and a head; a receiving part having a channel for receiving a rod therein, a coaxial bore and a seat portion for receiving the head; a pressure element having a head contacting surface portion; wherein the head is pivotable with respect to the receiving part and can be fixed at an angle by exerting pressure via the pressure element onto the head, and wherein the head has an oversize with respect to the head contacting surface portion such that an interference fit is achieved that clamps the head by the friction between the head and the head contacting surface portion. The curved outer surface portion has a largest diameter and the head contacting surface contacts the head at least in a region including the largest diameter.Type: ApplicationFiled: September 14, 2012Publication date: March 14, 2013Inventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel
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Publication number: 20130066386Abstract: A tool is provided for use with a bone anchor, wherein the bone anchor has an anchoring section and a receiving portion for receiving a rod to be connected to the anchoring section and a locking element, the tool comprising a tip portion for engaging the locking element; a mechanism to apply torque to the tip portion comprising a drive shaft and a driven shaft coupled by a gear unit, where the drive shaft has a different axis than the driven shaft, and where the driven shaft comprises an engagement portion configured to connect the driven shaft to the gear unit; and a counter-holding portion for engaging the receiving part, wherein the counter-holding portion is rotatable with respect to the tip portion.Type: ApplicationFiled: September 12, 2012Publication date: March 14, 2013Inventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel
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Publication number: 20120165882Abstract: A polyaxial bone anchoring device includes an anchoring element having a shaft and a head having a curved outer surface portion; a receiving part having a top end and a bottom end, a coaxial bore extending from the top end in the direction of the bottom end, and a seat portion for receiving the head at the bottom end; and a pressure element having a head contacting surface portion that contacts the curved outer surface portion of the head; wherein the head is pivotable with respect to the receiving part and can be fixed at an angle by exerting pressure via the pressure element, and wherein the head has an oversize in the curved outer surface portion with respect to the head contacting surface portion, such that an interference fit is achieved that clamps the head by the friction between the outer surface portion and the head contacting surface portion.Type: ApplicationFiled: December 27, 2011Publication date: June 28, 2012Inventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel
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Publication number: 20110004222Abstract: A tool is provided for use with a bone anchor, wherein the bone anchor has an anchoring section and a receiving portion for receiving a rod to be connected to the anchoring section and a locking element, the tool comprising a tip portion for engaging the locking element; a mechanism to apply torque to the tip portion comprising a drive shaft and a driven shaft coupled by a gear unit, where the drive shaft has a different axis than the driven shaft, and where the driven shaft comprises an engagement portion configured to connect the driven shaft to the gear unit; and a counter-holding portion for engaging the receiving part, wherein the counter-holding portion is rotatable with respect to the tip portion.Type: ApplicationFiled: April 6, 2010Publication date: January 6, 2011Inventors: Lutz Biedermann, Wilfried Matthis, Michael Kegel